Relentless

 is a Perk in Dauntless. It is a member of the Technique family of Perks.

Details
Increases the duration of your aether rush. At higher ranks, also increases the effects of aether rush.

Cells
+1  cells are obtained from opening Cores or purchased from The Middleman when available; higher levels of cell can be made though fusing at The Middleman.

+1 Cell +2 Cell +3 Cell